Iran Threatens Infrastructure Strikes as U.S. Widens Naval Blockade

Tensions between Washington and Tehran escalated on May 16 as Iran signaled a shift toward a more aggressive military posture. According to state-linked media, Tehran has authorized an 'immediate comprehensive response plan' that targets U.S. interests and infrastructure across the region. Military officials warned that any 'miscalculation' by the Trump administration would result in simultaneous fire from Iranian forces, indicating that previous restraints on targeting have been removed. Simultaneously, U.S. Central Command (CENTCOM) reported progress in its maritime enforcement mission. U.S. forces have now redirected 78 commercial vessels and disabled four others to ensure compliance with the ongoing blockade. To mitigate the economic impact, Iran is reportedly pivoting toward overland and rail trade routes through China and Iraq, though analysts suggest these routes cannot fully replace the scale of maritime shipping. In the diplomatic sphere, a 45-day extension of the Israel-Lebanon ceasefire has been reached, with U.S.-facilitated talks scheduled for late May to discuss the disarmament of Hezbollah. While no direct U.S. strikes were reported in the last 24 hours, the expansion of the naval blockade and Iran’s retaliatory threats suggest a continuing broadenining of the conflict's scope.